Patients will receive cyclophosphamide 300 mg/m2, administered 24 hours prior to DC vaccinations # 1, 3, 5, 6 and 7. Each subject will initially receive 7 doses of vaccination with each individual dose being administered at weeks 0, 2, 4, 6, 10, 14 and 18. A clinical evaluation of the patients will be done at weeks 10 & 20. Patients with progressive disease will be taken off of the study. Patients with SD, PR or CD (according to RECIST criteria) may receive 4 more vaccinations. Scans and re-staging tests will be performed at scheduled intervals throughout the study.